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Syllabus

how to make any working model in physics?

plsss!!!!!! suggest me a working model on any topic of physics for class xi bt a gud one.

Write the dimensions of a and b in the relation P=b-x

^{2}/at where P is power, x is distance and t is time.Dear Lizu.., ,,,,,

WHAT IS MEANING OF INERTIA? plz explain me in hindi.

differentiation of sin x by ab initio method

momentum of whole universe remains contant. is it true/false.what is the reason

what is unification and reduction in physics?

examples for inertia of rest,motion and direction?

name the force responsible for the stability of nuclei and having range of 10 to the power (-15)m

28. Charge induced on the inner surface of cavity is

A. -Q, uniformly distributed B. -Q, non-uniformly distributed C. -(Q+q), non-uniformly distributed D. None

29. Net charge on the outer surface of conducting surface is

A. + Q B. B. Q- qR/l C. -qR/l D.None

30. Potential at a point inside the cavity is:

A. A. Zero B. Positive C. negative D. can not be determine

PAI KA MAN 22/7 KYO HOTA HAI

a person aiming to reach the exactly opposite point on the bank of a stream is swimming with a speed of 0.5 m/s.at an angle of 120 degree with the direction of flow of water. find the speed of water in the stream.................

wht's the dimensional formula of viscosity..????

Which of the following is not a derived force ???1) Tension in a String.......2) van der waal forces...........3) Nuclear force between proton- proton..................4) Electrostatic force between proton -proton.......( I am confused between 3) and 4) !!! kindly answer with explanation !!! )

assuming that the critical velocity of a viscous liquid flowing through a capillary tube depends upon radius r of a tube,density of the tube and co-efficient of viscosity of the liquid. use the method of dimensions to obtain a relation between these quantities.

two vector P=2i^+bj^+2k^and Q=i^+j^+k^ will be parallel if

(a)b=0

(b)b=1

(c)b=2

(d)b=-4

ans. is (c) b=2

but i don't know how to find it out...plzzz help me in getting the answer

name all branches & sub branches of physics

what is macroscopic and microscopic domains of interest?

What is the dimensional formula for calorie?

what is momentum , linear momentum and angular momentum ?

what is the difference between linear and angular momentum?

A drop of olive oil of radius 0.25mm spreads into a circular film of radius 10cm on the water surface. Estimate the molecular size of olive oil?

If velocity,time and force were chosen as basic quantities, find the dimensions of mass.

What is parallax method ?

A particle name 'A' moves along a circle of Radius 50cm so that its radius vector r relative to the point O rotates with the constant angular velocity=0.40 rad/s. Find the module of the velocity of particle, and the modulus and the direction of its total acceleration.

3. How many electrons should be added into a body to make it heavier by 5 nanogram ? Mass of one electron is 9.1 x 10

^{-31}kg.When will the Ncert Solutions Of PHYSICAL EDUCATION be published and also the FUNCTIONAL ENGLISH class XI.

what is unification and reductionism in detail with example?

2) Scope and excitement of Physics

3) Physics, Technology and Scociety

4) Fundamental forces in nature

5) Nature of law in physics

Can anyone give some brief explanation on these topics?

easy way for learning dimensional formulas

arrange four types of basic forces in the order of increasing strength

how to get good marks in class 11th ?

11. A particle moving with constant acceleration along a straight line covers distance between 2 points 80 m apart in 10 seconds. Its velocity as it passed the second point is 18 m/s.

(A) Its velocity at the first point is -2 m/s

(B) Its acceleration is 2 m/s

^{2}(C) The total distance travelled during these 10 seconds is 82 m

(D) All above are false

The length of a second hand of a clock is 10 cm. find the speed of the tip of

the hand?Physics is an exciting subject.Explain this in about 50 words?

A compass of direction East,West,North,South shows us the direction of south.find the actual direction of the copass?

Explain fundamental forces in nature?

discoveries in physics generates new technology.give an evidence to this

sphero meter expriment

Find the derivative of the following w.r.t x:

1)sin

^{2}x 2)sin^{m}x cos^{n}xIS VMC BETTER OR FIITJEE FOR JEE STUDIES?I WAS IN FIITJEE FOR CLASS 9TH AND 10TH AND I DIDNT LIKE IT MUCH,STUDIES THERE WERE LIKE TIME PASS.I NEED UR SUGGESTIONS ALSO.PLS HELP.

state work energy theorem. derive it for constant force.

two cars A and B moves along a concentric circular path of radius rA and Rb with velocity VA and VB maintaining constant distance,then VA/VB is=

Give example of tensor quantity!!

prove that change in kinetic energy of a particle is equal to the work done on it by a variable force

why do we call physics an exact science ?

A car accelerates on a horizontal road due to force exerted by the

A) Road on car

B) Car on road

C) Engine of car

D) driver of car

thrown with the

help of a sling

with initial

velocity v at an

angle theta from

the horizontal.

a) Working of sling is based on...........

law of vector addition. (1)

b) With the help of a vector diagram,

state this law. (1)

c) Derive the expression for the

maximum height reached by

WHY IS PHYSICS CALLED BASIC SCIENCEQ17. In the given circuit, the equivalent resistance between A and B is (if A has positive potential and B has negative potential)

1) 11 $\mathrm{\Omega}$

2) 34/3 โ$\mathrm{\Omega}$

3) 10 โ$\mathrm{\Omega}$

4) 8 โ$\mathrm{\Omega}$

In a prism, why does the emergent ray always bends towards the base of the prism???i want to know which board is the best ICSE ,CBSE, CHSE for +2 studies i need ur help expert plzzz help me

what are the diseases caused by virus?

Find the value of Cos 220 degree.

frequency of vibration of mass 'm' sutended from a spring of constant 'k' is given by f=cm

^{x}k^{y}.... find value of x and y......... plzzz do it quickly.... plzzz everybody try to do it...... plzzz guys its a request.....do it frnds......as quickly as u can.......thank u....

Now, answer the following questions based on above information.

Mark the correct statement (s) for this situation

Q1= Four Particles of equal masses M move along a circle of radius R under the action of their mutual gravitational attraction .Find the speed of each particle.if the unit of force were kilonewton,that of time milisecond and that of power kilowatt,what would be the units of mass and lenth?

''The two processes ,that of science and art are not very different.Both science and art, form in course of centuries, a human language, by which we can speak about the more real part of reality.'' Who said this ? What was the major contribution/discovery. Mention his country of origin

define unification and reductionism??

Q.Each side of a cube is measured to be 7.203m .What are the total surface area and the volume of the cube to appropriate significant figures?

Check the correctness of agiven physical relationship?

v=/pr4 / 8nl

where v=volume of the fluid flowing through the tube per second

p=pressure difference across the ends of the tube.

r=radius of the tube.

l=length of the tube.

n=co-efficient of viscosity.

what are the drawbacks of classical physics

Take angle of projection as theta.

If A+B is a unit vector along x-axis and A=i+j+k, then B is?